What minimum speed must you give the pail at highest point
You tie a cord to a pail of water, and you swing the pail in a vertical circle of radius 0.600 . What minimum speed must you give the pail at the highest point of the circle if no water is to spill from it?
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Discuss differences in making inferences from parametric and nonparametric data. Discuss methods in which a researcher may decide on size of the sample needed for a research project and what factors may influence his decisions.& ;
how many grams of cuso4 are there in 219 grams of an aqeous solution that is 20.2% by weight cuso4?
A 265 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30 degrees with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is .830, and the l
Calculate the volume of 1M HCIO4 needed to lower the ph to 2.5; for a sample starting at ph 4, 7, and 10. Considering that there are 83 samples, about how much HCIO4 shoud you bring to the lab?
Analyze color/racial categories and practices of color/racial identification in Brazil. How do these categories and practices compare to those found in the United States?
A 25.0-mL sample of 0.150 M butanoic acid is titrated with a 0.150 M NaOH solution. What is the pH before any base is added? The Ka of butanoic acid is 1.5 x 10-5.
Pervaporation is used to produce nearly pure ethanol from a feed with 90 percent ethanol and 10 percent water. the feed enters at 80C, and the design calls for reheating the liquid after the temperature has dropped to 70C. about how many stager an
The background LSC vial gave 1.2 cpm. Calculate the 239Pu concentration in molarity, and the associated uncertainty. Assume 100% efficiency for LSC, and (+ or -)0.5mL as the micropipette uncertainty.
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